[The usefulness of colonoscopic biopsy in the diagnosis of intestinal tuberculosis and pattern of concomitant extra-intestinal tuberculosis].

Background/aims: Intestinal tuberculosis can be difficult to diagnose because it may mimic many other intestinal diseases. The aim of this study was to evaluate the diagnostic yield of colonoscopic biopsy and frequency of concomittent extra-intestinal tuberculosis in intestinal tuberculosis.

Methods: The medical records of 225 consecutive patients with intestinal tuberculosis (81 men, 144 women; mean age 40.

[A case of jejunal stricture due to extramedullary plasmacytoma].

Extramedullary plasmacytoma is a rare disease in which a neoplastic proliferation of plasma cells originates from the outside of the bone marrow. The jejunum is the most common site of extramedullary plasmacytoma of the gastrointestinal tract and its common complications are intestinal obstruction due to mass, gastrointestinal bleeding, and intussusception. A 68-year-old woman presented with intermittent postprandial abdominal pain, vomiting, and weight loss.

A case of treatment-related myelodysplastic syndrome and acute myelogenous leukemia following high-dose chemotherapy with autologous stem cell transplantation for non-Hodgkin's lymphoma.

Treatment-related myelodysplastic syndrome (t-MDS) and acute myelogenous leukemia (t-AML) are now well established as complications of cytotoxic chemotherapy. We experienced a 28-yr-old female patient who developed t-MDS/t-AML with characteristic chromosomal abnormalities including 11q23 chromosomal rearrangement following high-dose chemotherapy with autologous stem cell transplantation (ASCT) for non-Hodgkin's lymphoma. The patient was admitted with bulky abdominal masses of B cell lineage non-Hodgkin's lymphoma.